Gaya APA
KOTLER, P. et al (2002).
Classroom Management: In General, Choral, and Instrumental Music Programs .
Reston:
MENC.
Gaya MLA
KOTLER, Philip. et al.
"Classroom Management: In General, Choral, and Instrumental Music Programs".
Reston:
MENC,
2002.
Buku Teks.